This study was an attempt fo document aspects of small group work in classrooms engaged in the process education curricula called "Materials and Activities for Teachers and Children" (MATCH). Data on student-student interaction was related to small group work and gathered by paper-and-pencil sociometric questionnaires and measures of group…

Logic and mathematics are used to gain some insight into the effective and efficient application of instruction. A pupil's state of knowledge is represented by the degree of confidence he possesses in the subject matter. A cost, gain, and return from instruction are associated with each possible initial degree of confidence and each instructional…